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Updated: May 31, 2026
06:07
Cigarette Smoke Exposure in Mice using a Whole-Body Inhalation System
Published on: October 22, 2020
Sensitivity to secondhand smoke exposure predicts future smoking susceptibility
Christina N Lessov-Schlaggar1, Dennis R Wahlgren, Sandy Liles
1Washington University School of Medicine, Department of Psychiatry, St Louis, MO 63110, USA. schlaggc@psychiatry.wustl.edu
Pediatrics
|July 13, 2011
Summary
Sensitivity to secondhand smoke exposure (SHSe) can predict smoking susceptibility in youth. Experiencing SHSe as unpleasant may reduce the likelihood of youth becoming susceptible to smoking.
Area of Science:
- Public Health
- Adolescent Health
- Tobacco Control
Background:
- Susceptibility to cigarette smoking in tobacco-naive youth predicts initiation.
- Understanding early mechanisms of smoking susceptibility is crucial for prevention.
- Secondhand smoke exposure (SHSe) is a common environmental factor for youth.
Purpose of the Study:
- To investigate if sensitivity to SHSe contributes to smoking susceptibility in high-risk youth.
- To identify potential early targets for smoking prevention interventions.
Main Methods:
- Longitudinal study of ethnically diverse 8- to 13-year-old non-smokers exposed to SHSe.
- Assessed reactions to SHSe at baseline and smoking susceptibility over 12 months.
- Examined SHSe reaction factor structure and prediction of smoking susceptibility.
Main Results:
- Factor analysis identified "physically unpleasant" and "pleasant" SHSe reaction factors.
- Reporting SHSe as "unpleasant or gross" significantly reduced the probability of high smoking susceptibility (OR: 0.22).
- Racial/ethnic differences were observed in SHSe reactions (e.g., Black preteens reported feeling more relaxed).
Conclusions:
- Sensitivity to SHSe is a novel factor in cigarette initiation.
- Assessing SHSe sensitivity can inform targeted smoking prevention strategies for youth.
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